 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.core.databinding.observable;

 /**
  * Generic change event denoting that the state of an {@link IObservable} object
  * has changed. This event does not carry information about the kind of change
  * that occurred.
  *
  * @since 1.0
  *
  */
 public class ChangeEvent extends ObservableEvent {

     /**
      *
      */
     private static final long serialVersionUID = -3241193109844979384L;
     static final Object TYPE = new Object ();

     /**
      * Creates a new change event object.
      *
      * @param source
      * the observable that changed state
      */
     public ChangeEvent(IObservable source) {
         super(source);
     }

     protected void dispatch(IObservablesListener listener) {
         ((IChangeListener) listener).handleChange(this);
     }

     protected Object getListenerType() {
         return TYPE;
     }

 }

